Magpul Industries M-LOK Rail CoverType 1 Slot System Black. Made of an extremely heat resistant flexible material these covers offer an enhanced gripping surface. At 9.5" in length they cover six full M-LOK slots but can be cut for customized length or to combine colors. Includes two Covers per package. Specifications for Magpul Industries M-LOK Rail Cover Type 1 M-LOK Slot System: Manufacturer: Magpul Industries Condition: New Features of Magpul Industries M-LOK Rail Cover Type 1 M-LOK Slot System: Compatible with all M-LOK systems. Non orientation specific - no up/down left/right front/back orientation. Low profile and light weight. Made of an extremely heat resistant material. Enhanced gripping surface. Package Contents: Magpul Industries M-LOK Rail Cover Type 1 M-LOK Slot System Magpul Industries MAG602-BLK: M-LOK Rail CoverType 1 M-LOK Slot SystemBlack