Square Hole Drill and Fixed Bracket Woodworking Drill Tools Mortising Chisel Drill DIY Furniture Square Drill Free Shipping

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

2) Specially designed for making square holes in wooden boards

Dual Purpose Tenoning Fixed Bracket
1) Clamp diameter between 38 to 55MM/1.5 to 2.2inch
2) Dual use support bracket: for table drill and hand drill

2) 4pcs / set