11/32" R8 Round Collet High Precision Drawbar Thread 7/16"- 20 Overall Dimension: 1-1/4 in L x 1-1/4 in W x 4 in H *Rough Estimation* Shipping Weight: 13 Ounce *Rough Estimation* 7/16" - 20 Draw Bar Thread Made Of High Grade Tool Steel Precision Ground To Close Tolerance Hardened And Ground Throughout Qty: 1 Light Item