The becket holds the end of the rope under the cleat. No need for an extra fixing when rigging for 2:1 advantage. Small, neat and lightweight. The fairlead guides the rope into the teeth and advanced tooth technology holds all types of small rope. The CL270AN is used on Laser tillers to give a 4:1 advantage without using a pulley block - see photo. Manufactured from aluminium for a light weight and durable performance the Clamcleat® .  CL270AN has a hard anodised finish to give a hard wearing surface.  Technical Details   Metric Imperial Rope Diameter 1 - 4mm 3/64 - 5/32" Material Aluminium Aluminium Hole Centres 24mm 15/16" Length 44mm 1 3/4" Width 13mm 1/2" Height 19mm 3/4 Bolt Size M3 #4-40. 1/8" Screw Size 3 No. 4 Weight 14gms 0.5oz