Specification:
Features:
Made of Stainless steel material, durable in use
Suit For: High Carbon Steel Drills,and positively locks anywhere along the bit.
As Drill Limited ring, clamping device, positioner.
Screw type collar will not damage bits.
Used for drilling limit, and prevent drilling too deep
Specification:
Size (inside diameter) : 3,4,5,6,8,10mm
Material: stainless steel
Weight: 48 g / 1.7 oz(approx.)
Package list:
6 x spacing ring
1 x hex wrench
Features:
1Made of Stainless steel material, durable in use 2Suit For: High Carbon Steel Drills,and positively locks anywhere along the bit. 3As Drill Limited ring, clamping device, positioner. 4Screw type collar will not damage bits. 5Used for drilling limit, and prevent drilling too deep
Package List:
