The patented automatic self-centering action of these jigs assures accurate center drilling every time, even on round objects. Large steel clamping screw tightens the tool like a vise, with rugged aluminum sides holding work securely without damage to the wood Drill guide centers are hardened, guide holes are precision drilled and reamed for extreme accuracy. USA. Wide Capacity Economy Jig with a capacity of up to 6" wide. Perfect for face work on 2x4 and 2x6 stock, even works with 4x4's and 6x6's.

Features:

• Self Centering
• Has five permanent drill hole sizes
• 6" wide Capacity
• Made from aircraft grade aluminum
• Steel plated for corrosion prevention