Use this kit to replace EDGE String pit supports for original bolted pit floors.Kit includes:1, 051200165-01 Weldment, Pit Support Rear1, 051200167-01 Weldment, Pit Support Front1, 051202023 Joist Support Bracket1, 051202024 Drill Template, Joist Support5, 826057122 5/16-18 x 0.75" Hex Washer Hd Tap Screw1, 400051259 Pit Support Instructions8, 808857200 5/16-18 x 1.25" Flat Head Socket Cap Screw5, 835557003 5/16-18 Hex Finish Jam Nut9, 818757141 5/16-18 x .88" Hex Washer Hd Machine Screw1, 04062 5ml Loctite Blue