4 Pack of 1x1x39 Inch (25mmx25mmx1m) Gray Open Slot Wiring Duct / Cable Raceway with Cover/lid Wire Duct is pre-drilled and comes with cover/lid included Made from PVC (gray), 0.79" slot pitch, 0.31" slot width Heat-resistant up to 85 C Flammability: UL94 V-2 rated material RoHS compliant Approvals: UL, CSA & VDE