Vee Blocks Steel C/w Clamp 40x32x32mm 25mm Capacity Solar SVB-131A 6516170 Use a Spark Plug Wrench

Use a Spark Plug Wrench or correct spark plug socket to then tighten a further half to two-thirds of a turn to fully seat your NGK spark plug (Conical seat plugs require a further 1/16th turn)

Sets are contained in a compact molded holder that firmly retains each key in designated holes

The drill of choice for fabrication

Flute length 12

Vee Blocks Steel C/w Clamp 40x32x32mm 25mm Capacity Solar SVB-131A 6516170 Use a Spark Plug WrenchMade From Alloy Steel Hardened And Pecision Ground Supplied In A Matched Pair (Two Blocks) With One Malleable Iron Clamp 40mm Long x 32mm wide, x 32mm high Clamping capacity 25mm diameter SVB 131A