The 40 mm ratchets are ideal for jib sheets and spinnakers where size and weight are critical. The 2608, 2609, and 2614 have on/off switches; other 40 mm ratchets are always in ratchet mode. Carbo Retchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Nylon resin saideplates are densely packed with long glass fibers for a compact block with high strength to weight ratio. Machined aluminum sheaves are hard cote annodized for strength and corrosion resistance. Eight facets hold line securely. Bala bearings, sheaves, and sideplates are UV-0stabilized with carbon black for maximum protection.