5.10 Hand Drill Kit Curator 10 years ago drill bits detail of the striking surface 3/8 inch chisel tip drill bit drift pin complete 5.10 rock drill kit instruction pamphlet instruction pamphlet instruction pamphlet instruction pamphlet instruction pamphlet 1/4 inch and 3/8 inch drlii bits in thier original protective sleeves (Left): 1/4 inch chisel tip with no twist (Right): 3/8 inch chisel tip slow twist bit (Top): 1/4 inch chisel tip with no twist (Bottom): 3/8 inch chisel tip slow twist bit detail of the striking surface