Wood Square Hole Drill Bit Set with Adapter Fixing Bracket for Hand Mortise Drill Bits Free Shipping

Dual Purpose Tenoning Fixed Bracket
1. Clamp diameter between 38 to 55MM/1.5 to 2.2inch
2. The width of the exposed clamping part is
about 0.8inch/20.32cm.
3. The diameter of the exposed part is l.5inch/12.7cm-l.Zinch
4. Suitable for ordinary electric hand drillsold and household small
table drills.
5. Suitable for woodworking.

4 Pcs Woodworker Square Hole Drill Bits
1. Size: 6.4mm(1/4)  8mm(5/16)  9.5mm(3/8)  12.7mm(1/2)
2. 4pcs / set