Head Width .50 inches/12.70mmHead Height .248 inches/6.3mmShaft Height 1.45 inches/37.0mmShaft Diameter .393 inches/10.0mmSlot Width .381 inches/9.7mmHead Depth .492 inches/12.5mmFor Hole Size .32 inches/8.1mmFeatures:*These cable tie wall mounts keep the cable tie head from sliding down during vertical applications and maintain placement during horizontal applications.*They can quickly secure and position wire bundles, cables, hoses, etc. to walls.*This one piece design allows for quicker mounting with no mechanical fastener which reduces time and cost. *Color is Black.*Made from Nylon.*ROHS compliant.