3-5/8" One-Piece Split Clamp-Type Shaft Collar, SteelSpecifications 7L310 UPC Code: 662786002908 Total Width (in.): 0. 875 Series: Signature Weight (lb.): 2. 20 Material: Steel Finish: BLACK OXIDE Bore Size (in.): 3 5 8 Screw Size: 3 8 24 x 1 Screw Type: SHCS Outside Diameter (in.): 5. 000 Smooth bore protects shafts from damage Superior holding power over set screw type collars Offered in High Strength, Low Profile and Heavy Duty styles Stocked in a variety of materials 1 Piece Clamp Type Shaft Collars