The clamps are made of heat-treated high quality steel and nickel/chrome plated for superior durability.Improved features help you work quickly, safely and efficiently.-Reduced risk of adjustment rod popping.. -A large adjustment screw with a hole for easy screwing has been used.-The release lever is vinyl-coated for comfort and ease of use.Model with round tip.. The clamps are made of heat-treated high quality steel and nickel/chrome plated for superior durability.Improved features help you work quickly, safely and efficiently.-Reduced risk of adjustment rod popping.. -A large adjustment screw with a hole for easy screwing has been used.-The release lever is vinyl-coated for comfort and ease of use.Model with round tip.. Length: 165 mm. Throat depth: 46 mmOpenness: 56 mm