2-7/8" One-Piece Split Clamp-Type Shaft Collar, SteelSpecifications 1L214 UPC Code: 662786000645 Total Width (in.): 0. 750 Series: Signature Weight (lb.): 1. 89 Material: Steel Finish: BLACK OXIDE Bore Size (in.): 2 7 8 Screw Size: 3 8 24 x 1 Screw Type: SHCS 1 Piece Clamp Type Shaft Collars are for use on standard round shafts, hard or soft, as well as on thin wall tube or over a split hub. Precision machined, non marring, easy to adjust, with high clamping power. Smooth bore protects shafts from