2 PC- 5/8 Adjustable T-Slot Hold Down Clamp 1/2-13 Clamping Range Table T Slot Size: 5/8" Stud Thread: 1/2-13 Stud Overall Length: 4-1/2" Clamp Width: 1-3/4" Max Clamping Capacity: Up to 3" Load Limit: 13,000 Lbs Fast Set-Up Instant Height Adjustment Without Blocks Or Shims The body Of The Clamp Is Formed By Forge Steel Unit Dim L x W x H (in): 4-1/2 x 1-3/4 x 4 *Estimated* Shipping Weight: 4 Lbs Quantity: 1 Set/ 2 Pc