This is a Heavy Narrow Crown Staple. Available in 20, 22 & 30 mm depths. We stock one electric gun that uses this type of staple the
TACWISE Master Nailer/Stapler 191EL which uses 15-30 mm depths.
Other guns that use this staple are:-
Electric 2 Way Nailer Stapler (CESN120) 15-30mm
Please use grid to select your staples.