The ultra lightweight alternative to a block, the Shock (Sheaveless Block) is compact and versatile. Designed to be used with small diameter line, it can be easily attached using a Dyneema Loop or simply by lashing it to the deck. Originally designed for kiteboarding control lines, the shock can be used virtually anywhere on a dinghy you would use a traditional block. Made of anodized alumnium. Available in red, blue, gray or green. Comes in a pack of 2.