The BlueSpot Bricklaying Profile Clamp is manufactured from carbon steel for increased durability. It is ideal for securing objects together to prevent movement or separation, resulting in an accurate guide for building walls straight and constructing corners. This clamp features a T-bolt thumbscrew and has a size of 200mm (8in). Its maximum opening is 180mm, and its minimum opening is 120mm, with a long thread length of 80mm.