Kexuan KeyMod/M-LOK Rail Covers 5 Pack Black. Specifications for Kexuan KeyMod/M-LOK Rail Covers 5 Pack: Manufacturer: Kexuan Color: Black Features of Kexuan KeyMod/M-LOK Rail Covers 5 Pack Each panel measures 4.75 in and can be cut (into thirds) Made of extremely heat resistant material they offer insulation and added comfort to the rail. Heat resistant rubber construction for solid strength and reliability Designed to combat sweat grime and grease to improve rifle contact points Package Contents: Kexuan KeyMod/M-LOK Rail Covers 5 Pack Kexuan ASURC: KeyMod/M-LOK Rail Covers 5 Pack Black