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Buying advice 19/10/2026 INVENTĀRS
How to choose a spirit level
A spirit level shows horizontal and vertical. Length in cm and MAGNET vs LEVEL are what to read. Metres: tape. A line on the wall: marking. On the cardWhat you getMistake 40 / 60 / 100 / 120 / 200 cmHow long a face you cover at once40 cm “enough for the whole job” 0.5 mm/mAccuracy on this LEVEL/MAGNET rowMixing it with tape class II MAGNET vs LEVELSeries on the card; MAGNET when you need to stay on steel40 cm MAGNET = 200 cm LEVEL Torpedo 23 cm, 0/90/45Short, for a case and a pipeReplacing a 200 cm rail SPECIALIST+ LEVEL 40 cm — 0.5 mm/m, 650 g/m aluminium, 2 mm base. LEVEL 60 cm and LEVEL..
Buying advice 19/10/2026 INVENTĀRS
How to choose a tape measure
A tape card has length in metres and blade width in mm. Class II on these cards is the accuracy class, not “a cheaper brand”. Horizontal: spirit level. A mark: marker. On the cardReadMistake 2 m / 3 m / 5 m / 8 mHow far the blade runs2 m “enough for the room” 13 / 16 / 19 / 25 mmBlade width13 mm as stiff as 25 mm Class 2 / IIAccuracy class on these cardsMixing with 0.5 mm/m on a level AUTOSTOP / PREMIUMAuto brake, dual-side printThinking BASIC is not class II SPECIALIST+ TAPE 2 m, 13 mm — shortest in this set. BASIC 3 m, 16 mm — class II, three-rivet hook, nylon coat. BASIC 5 m, 25 mm — 5 ..
How-to 19/10/2026 INVENTĀRS
How to choose a marker and pencil
Marking is a pencil, permanent ink, paint or chalk. Pick by surface and whether the line must stay. Measure: tape. Level: spirit level. ToolWhenNot HB pencil 24 cmWood, can be sharpenedPermanent marker on metal Fine 1 mm inkCard, plastic, a thin lineChalk line indoors Paint marker 2–4 mmWhen the card says paint markerA “fatter” Fine 1 mm Chalk 227 gReel, wipe-clean indoor lineSharpie on a carton SPECIALIST+ univ. pencil HB, 24 cm — graphite, 24 cm. A pencil is not a permanent marker. Sharpie Fine black — permanent, 1 mm. Sharpie Fine red — same Fine, red: colour to tell marks apart, not an..
How-to 19/10/2026 INVENTĀRS
How to choose a saw blade
A circular blade on the card is diameter mm × teeth T × bore. The first number must match the saw’s allowed diameter. Choosing a saw: wood saw. Circular vs jigsaw: comparison — these discs are not jigsaw blades. On the cardMeaningMistake 160 / 165 / 190 / 216 / 250 mmOutside diameterA 165 mm blade in a 250 mm saw “because it fits” 20T–60TTooth countMore T “always better on any wood” 20/16 or 30/20/16 mmBore and reduction rings“The bore will adapt” Kerf 2.2 / 2.6 / 2.8 mmCut width on these cardsMixing with 1.4 mm plate thickness SPECIALIST+ 160 × 36T × 20/16 — 160 mm, 36 teeth, bores 20 and..
Buying advice 19/10/2026 INVENTĀRS
How to choose an extension lead
An extension lead is a temporary cable with outlets, not house wiring. This page is how to read 1.5 mm², outlet count and the switch. CEE on site: CEE. Wall 2P+E: wall socket. No live-work steps. On the cardMeaningLimit 1.5 mm² / 3×1.5Conductor cross-sectionCited models are 1.5 mm² — take 2.5 mm² only if the card says so 1.5 m / 3 m / 5 mCable lengthLonger is not more current 3, 4, 6 outletsHow many loads at onceThe sum is still the cable and outlet rating 10 A splitterA short three-way, no long cableNot a 16 A lead EMOS P0321R — Schuko, 3 outlets, 1.5 m, 1.5 mm². P1321R — 3 outlets, 1.5 m..
How-to 19/10/2026 INVENTĀRS
Screwdriver bits: PH, PZ and TX
The bit is what enters the screw head. PH (Phillips), PZ (Pozidriv) and TX (Torx) are not “almost the same cross”. This page is how to pick the code and the length. Fixed screwdrivers: screwdriver guide. CodeWhat you seeDo not PH0, PH2Phillips cross, size 0 or 2Drive a PZ2 screw with PH2 “because it goes in” PZ2Pozidriv — extra tick marksThink TITAN changes the profile T10–T30Torx star, the number is the sizeAssume T20 “fits T25” Torsion / 25 mm / 50 mmShank and lengthUse a 50 mm holder as a bit SPECIALIST+ 24-2-052 PH2 — PH2, 2 pcs. 24-2-049 PH0 — 25 mm, 2 pcs. PH0 is electronics; PH2 is ..
Guides 19/10/2026 INVENTĀRS
What socket drive squares mean
Two numbers get glued together: the drive square (1/4, 3/8, 1/2 inch) and the opening in millimetres (9, 10, 14 mm). The first is which ratchet the socket sits on. The second is the nut. This page keeps them apart. MarkRead it asMistake 1/4, 3/8, 1/2Drive squareThinking 1/2 means “a 13 mm socket” 9 mm, 10 mm, 14 mmWrench openingForcing 1/4 onto a 1/2 ratchet with no adapter 6- vs 12-pointHow many flats hold the nut12-point “always better” ImpactMade for an impact wrenchA chrome socket in impact What each square is for The inch size measures the drive — the square the socket sits on. It is ..
Buying advice 19/10/2026 INVENTĀRS
How to choose a screwdriver
The wrong profile strips a head faster than “weak torque”. This guide helps you pick one blade, a bit handle or a 1000 V set. PH/PZ/TX bits: bits. Stripping and crimp: electrician tools. What it isWhenWhat it is not Fixed SL / PH bladeOne size, every dayA set “because the box is full” Interchangeable bitsPH, PZ, Torx in one handleA 1000 V set if the card has no 1000 V 1000 V / insulated setWhen the card says 1000 VA permit to work live Tester screwdriverIndication, not tighteningA VDE tool Pro'sKit 9SD-201B — Pro-Soft, 3.0 × 75 mm. 3.0 mm is blade width, 75 mm length. It is not PH2. 9SD-20..
Buying advice 19/10/2026 INVENTĀRS
How to choose a wall socket and switch
In the shop “socket” often means four things: a flush 2P+E mechanism, a complete with frame, a portable rubber body and a dimmer. This page helps you read the card. CEE 16/32 A belongs in the power-socket guide. No live-work steps. LBN 261-15 p.55: a certified specialist supervises the work. On the cardWhat it meansDo not mix 2P+E / SchukoTwo poles + earth, side contactsFrench Standard with a pin — another geometry 10 A or 10AX vs 16 ARated current; AX is a switch with fluorescent load“Bigger number is always better” One-way vs crossoverSingle direction vs two-way/stair schemeA dimmer is not..
How-to 19/10/2026 INVENTĀRS
Electrician tools: stripping and crimping
Good devices in the board fail if the conductor is nicked or the ferrule is not set. This guide is which tool does what and how to read Ø / mm² on the card. Grid-operator practice often requires ferrules on stranded conductors — published ferrule SKUs are scarce here, but the crimpers exist. No live work. VDE 1000 V is the tool’s insulation class against accidental contact, not a licence to work on a live circuit. LBN 261-15 p.55. Terminals: terminals and busbars. JobToolWhat it does not do Outer jacket of a round installation cableDismantling / ErgoStrip by ØCore insulation “until copper”; ..