Splice Clamp is perfect for end-to-end gluing. A slot in the back of the clamp lets you apply glue to parts while they're being held in the clamp, ensuring parts won't move out of position before the glue sets. Overall length: 3 inches. Clamping surface: 1-1/2 inches long x 3/8 inch wide (2 places). Package of 1 clamp.