Stainless steel screwdriver with special, large profile, with ball bearing, Ø 2.50 mm
Conical blade made of hardened stainless steel 54/56HRC reference 6899-M. 
Ø of head: 18 mm. Ø of shank: 8 mm. 
Total length: 105 mm.
Ø 1.50 - 2.00 - 2.50 - 3.00 mm.