NEW OLD STOCK AND NEVER USED. BOXS ARE MARKED #41 4" WELDERS CLAMPS 4". CLAMPS ARE MARKED #44. CLAMPS ARE 1995 OR BEFORE IF THAT MATTERS AND THESE ARE BEING BOUGHT AS COLLECTABLE CLAMPS. 2 CLAMPS AREW MARKED HARGRAVE FORGED STEEL AND 1 NEWER IS MARKED DROP FORGED. THEY ARE HEAVY DUTY. SCREW ARE A BRONZE ALLOY TO RESIST WELD SPATTER. FULLY OPEM IS 4" AND DEPTH IS 2-1/4".