The 150 cam-matic, the original ball bearing cam cleat, is still the most popular cleat in the world. Its tough hardkote anodized pawls and base are specifically designed for use in high-load, high wear applications. Aluminum dissipates heat better than any plastic so the teeth of the 150 can withstand years of severe service. height: 1-3/16-inch length: 2-9/16-inch width: 1-1/4-inch weight: 2-1/2 oz. max line: 1/2-inch min line: 1/8-inch fastener spacing 1-1/2-inch max working load: 300lbs. breaking strength: 750lb.