This tool works great for me. They are easy to use thanks to the spring-loaded lever, fairly light yet strong. The clamp is strong enough to stay in place and not too strong to damage walls.
Pros
1. ADJUSTABLE ANGLE: We offer you three different angle clamps which can meet all your needs. Suitable for 5-22mm thick board, suitable for 60/90/120 degree, T-connection, F-connection and L-connection. It is also used to assemble two boards of different thicknesses.