11mm Titanium Coated M42 High Speed Steel 8% Cobalt (HSS) Twist Drill Bit Bit Sockets 3 x RGB Extension Cable

3 x RGB Extension Cable

Suitable for use when adjusting

10 Pcs x Banana Female to Female Plug ( each color 5pcs)

Proper use can greatly extend the working life of twist drill bits

11mm Titanium Coated M42 High Speed Steel 8% Cobalt (HSS) Twist Drill Bit Bit Sockets 3 x RGB Extension CableM42 steel is a super hard cobalt high speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness (Retains hardness even at high temperatures of the cutting edge.). Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant. Can greatly improves hardness, wear resistance, and reduces the coefficient of friction. Sharp