Allenite Cam Cleat Medium. A.677 Allenite Plain Bearing Cam Cleats feature the same jaw profile as the aluminium version, but the jaws and base are moulded from a proprietary material developed specifically for low weight and good heat dissipation to increase wear resistance when compared to standard acetals. The removal of ball bearings offers a further weight reduction. The Allenite cam cleat offers a good weight saving over the aluminium version. Allenite cam cleats are designed as a cheaper alternative for low load applications. An Engineering drawing of the cleat can be found HERE Allen A.677 Cam Cleat Properties Number of Base Fixing Holes 2 no. Base Fixing Hole Spacing 28 mm Overall Height 22 mm Maximum Line Dia. 2-6mm Maximum Working Load 22 kg Fixing Hole diameter 4 mm Weight 22 grams