1. Material: stainless steel/aluminum alloy 2. Metal material, wear-resistant and durable, anti-rust and anti-corrosion 3. Square clamping pad design, firmly clamping 4. Table stopper for clamping and fixing boards, convenient and practical 5. 19 / 20mm diameter optional, adapt to different woodworking table holes 6. Weight: stainless steel model about 100g, aluminum alloy model about 31g 7. Size: 19mm about 35 x 28 x 19mm, 20mm about 35 x 28 x 20mm
