Grip-Rite PrimeGuard Plus 5/16 In. x 3 In. Hex Washer Head Structural Screw (50-Count) The HC Companies the complete unit is perfect

the complete unit is perfect for replacing an existing 60" x 30" bathtub/shower combination

grease and also seals pet

Rust Reformer is great for outdoor furniture and machinery to bring new life to aged items

2-3/4" plunge depth capacity for easy penetration into work piece

graduated in 16ths of an inch

Grip-Rite PrimeGuard Plus 5/16 In. x 3 In. Hex Washer Head Structural Screw (50-Count) The HC Companies the complete unit is perfectDual drive power head offers flexibility to choose either the included hex driver or star drive bit to fasten the screw. Type 17 point for quicker penetration into the wood. A 3 digit code is stamped into the head for easy spec reference. Faster lag screws in exterior structural wood applications no pre drilling. Approved for use in treated lumber. Free bit included.