Hand Twist Drill Set Metal Straight Shank Micro Bits with Handle Precise Rotary Drilling Tools

Item Type: Hand Twist Drill SetMaterial: High speed steel aluminum alloyHand Twist Drill Shank Diameter: Approx. 10mm / 0.4inHand Twist Drill Length: Approx. 114mm / 4.5inHand Twist Drill Clamping: 0.3-1mm20Pcs Twist Drill Bits Size: #61(0.0390in) #62(0.0380in) #63(0.0370in) #64(0.0360in) #65(0.0350in)#66(0.0330in) #67(0.0320in) #68(0.0310in) #69(0.0292in) #70(0.0280in)#71(0.0260in) #72(0.0250in) #73(0.0240in) #74(0.0225in) #75(0.0210in)#76(0.0200in) #77(0.0180in) #78(0.0160in) #79(0.0145in) #80(0.0135in) 20 x Twist Drill Bits1 x Hand Twist Drill Handle1 x Plastic Box