Replacement clamp for Blazer® Jig. Straight Clamp (gray) also includes gray arrow retainer for smaller arrows with an OD of .25" (6.3mm) or less, and one piece of Clamp Release Tape. 3° Right Helical Clamp (black) also includes black arrow retainer for standard size carbon shafts with an OD range of .293 - .306" (7.4 - 7.8mm), and one piece of Clamp Release Tape.