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