Proto J1206SRFF Screwdriver Sets 6 Pieces, Cabinet Keystone Tip, 1 4 in 3 16 in 3 8 in 5 16 Tip Size G0004487 99 mil Standards FDA Regulation 99 mil Standards FDA Regulation 21 CFR 177 55 Insole Material (PRINT) Polyurethane Outsole Material (PRINT) Rubber Gender (PRINT) Men's Maximum Heat Rating (PRINT) 574 Degrees F Insole Technology OrthoLite(R) Closure Lace Up Metatarsal Guard (PRINT) No Manufacturer Suggested Sole Slip Rating (PRINT) Better Maximum Heat Rating 574 Degrees F Toe Cap Material Alloy Liner Technology GORE TEX(R) Insulation Technology Not Applicable Metal Chip Resisting Sole (PRINT) No Slip Resistance Value Mark II Dry 0 Range of Shank Lengths 1 1 2 in to 10 in 3 8 in x 8 in