Tough, polymer cover slides over Picatinny rails to protect shooter's hand from sharp edges of unused rails, and shield exposed rails from damage during rough tactical operations. Makes rail less likely to snag clothing and equipment and gives the rounded contour of a smooth, circular handguard with the freedom to reconfigure accessories whenever you need to. Rubber-like, pebble-texture grip surface helps shooter maintain better weapon control. Each panel covers 15 rail slots-the correct length to fit many carbine-length handguards without modification. Pre-segmented construction for ease in cutting to length to custom fit on other handguards. Multiple sections can be mounted one Mfg: Magpul SPECS: Synthetic polymer, matte black pebble finish. 6A 1/4" (15.9cm) long x 1-3/8" (3.5cm) wide. Fits Picatinny and Weaver-style accessory rails. Covers 15 rail slots.