The Z88 and Z88-TN are spare mount parts kits for the following WeaponLight models: XVL2; XVL2-IRC; XVL2-TN; XVL2-TN-IRC. This Kit Includes:(x1) T-Slot Rail(x1) SHC Screw, 6-32 x 1" SS(x1) Cover, RSP/RSR-Interface(x2) SHCS 2-56 x 1/8 SS Black Oxide(x1) Washer, Split Lock, High Collar(x1) Cross Block, Universal(x1) Cross Block, Picatinny(x1) T-Slot Rail, XVL2, P320(x1) SHC Screw, 2-56 x 3-16" AL, Blue Anodize(x1) Hex Wrench, 7/64(x1) Hex Wrench, 5/64(x1) O-Ring, Buna-N 1 mm Width x 7 mm I. D., 70 SH Surefire Z88 XVL2 Black Parts Kit Z88