Brand: Micro-Mark. MPN: 82979. You Can t Have Too Many Clamps 2-1/4 inch long clamps with strong springs hold securely while glue dries. Pivot tips adjust to match surfaces being clamped. Molded in 6 neon colors for identification. 3/4 inch capacity. Bucket of 50 clamps at a bargain price. Click HERE to see a great article on using these clamps.