Designed for security applications on lightweight doors, chests and cabinets. Use on vertical, horizontal, left or right hand applications. In vertical use, the notch-in case holds the bolt in a locked position. Bolt diameter is .32". Durable steel case, strike and bolt. Note: This product is also known as STA-75-7950, 75-7950, STA-S757-950, CD1078-US2C-3, STA-N151-555 on other websites.