Durable Metal Base with a Black Coating: The base of these adjustable PCB holder gloves is made of solid metal with a reptile-like black finish, providing a heavy and stable foundation for absolute stability during precise soldering. Four soft foam pads ensure maximum grip on the surface. Lightweight Plastic Sides: The sides are made of lightweight plastic that slides smoothly over the heavy steel base during width adjustments. Spring-Loaded PCB Holder Clamps: The spring-loaded clamps have four different openings to securely hold the circuit board. A strong spring allows easy opening of the PCB holder for necessary adjustments. 360° Rotatable PCB Holder Gloves: The soldering gloves can rotate 360° to provide full access to both sides of the circuit board. High-Quality Fire-Resistant Ceramic: The PCB holders are made of high-quality fire-resistant ceramic to ensure durability and super stability. Dimensions: Total Length: 30 cm; Max. Opening Width: 20 cm; Height: 12.5 cm Max. Circuit Board Size: 20 x 14 cm Product Model Number: Universal Color: Blue/Black Material: Plastic