XL28 29 pc. Brute Platinum Drill Bit Set Size:SET These are a double square

These are a double square drive

3/8" - 1/2"  To be used with 3/8" Grade 70 or 1/2" Grade 43 Chain

Thread Count:

200 Tensile Strength

Hooks and Style: Grab Hook on each end

XL28 29 pc. Brute Platinum Drill Bit Set Size:SET These are a double squareThis is the drill bit set to have! The XL28 Brute platinum Drill bit set includes fractional sizes 1 16'' through 1 2'' in 64ths increments, 29 piece set. Packaged in a durable, water resistant case so you never misplace a drill bit again. Featuring a heavy duty 135 degree split point for self centering and easy penetration. Three point flattened shank ensures a positive grip in your chuck, This set is ideal for drilling stainless steel, titanium