Size: The size of pocket hole jig kit is 1.574.21~6.342.99"(40x107~161x76mm). HIGH QUALITY: The pocket screw jig kit is made of solid aluminum that won't rust or crack. Package Includes: Package includes 1pc pocket hole jig, 10 pcs wooden pocket hole plugs, 1pc hex wrench, 1pc steel retaining ring, 1 pc step drill bit, 2 pcs coarse square head screws, 1 pc plastic pocket hole plugs, 18 pcs fine Square head screws. EASY TO USE: Pocket hole clamp, 15 degree optical hole, you can use the clamp to drill an oblique hole in one connector first, then screw the self-tapping screw into the other connector. WIDE APPLICATION: Pocket hole jigs can be easily replaced in different sizes according to wood type, position and angle, and can be used at home or by professionals as precision tools.