Amazon.com : JuWow Martingale Collar, Reflective Training Dog Collar, Stainless Steel Chain, No Pull Training Collar for No Pull Leash Walking (11-14.25" x 3/4", Blue) : Pet Supplies
Amazon.com : CollarDirect Martingale Dog Collar with Stainless Steel Chain and Quick Release Buckle - Reflective Collar for Large, Medium, Small Dogs - Pink, Medium (Neck Size 14"-17") : Pet Supplies
Shaft Collar, Set Screw, 1Pc, 3/4 in, Ss: Setscrew Shaft Collars: Amazon.com: Industrial & Scientific
Jeremywell 3/4" Bore Zinc Plated Shaft Collars Set Screws OD 1-1/4" Width 9/16" (4 PCS): Amazon.com: Industrial & Scientific
Amazon.com : Cuban Link Dog Collar - 3/4 inch Wide Light Metal Gold Chain Dog Necklace, Cute Fashion Jewelry Accessories for Puppy, Trends Custome for Frenchie Dog, Bully, Doberman 16 inches : Pet Supplies
Jeremywell 3/4" Bore Stainless Steel Set Screw Shaft Collar OD 1-1/4" Width 9/16" (2 PCS): Amazon.com: Industrial & Scientific
Climax Metals C-075-DT Mild Steel Set Screw Collar, 3/4" Bore, 1-1/4" Outside Diameter, 9/16" Width, 5/16"-18 x 1/4" Set Screw: Shaft Collars: Amazon.com: Industrial & Scientific
3/4" Shaft Set Screw Solid Steel Collar Stop zinc Plated 3/4 inch Collars AISI 1020: Amazon.com: Industrial & Scientific
Climax Metal C-037-2H Set Screw Collar, With 2 Holes at 90 Degrees, Black Oxide Plating, 3/8" Bore Size, 3/4" OD, With 1/4-20 x 3/16 Set Screw: Setscrew Shaft Collars: Amazon.com: Industrial & Scientific
Amazon.com: HARFINGTON Shaft Collar 3/8" Bore 304 Stainless Steel Set Screw Shaft Collars, 3/4" OD, 3/8" Width, for Wheel Barrow Axle, Gearbox Assemblies, Machine Tools, Industry : Industrial & Scientific
Climax Metal H2C-325-S T303 Recessed Screw Clamping Collar, Two Piece, Stainless Steel, 3 1/4" Bore Size, 4-1/2" OD, With 3/8-24 x 1 1/4 Set Screw: Setscrew Shaft Collars: Amazon.com: Industrial & Scientific
Climax Metal H2C-375 Recessed Screw Clamping Collar, Two Piece, Black Oxide Plating, Steel, 3 3/4" Bore Size, 5" OD, With 3/8-24 x 1 1/4 Set Screw: Setscrew Shaft Collars: Amazon.com: Industrial & Scientific
Climax Metal M1C-07-S Shaft Collar, Stainless Steel, One Piece, Metric 7mm Bore, 3/4" OD, 9mm Width, With M3 x 8 Clamp Screw: Setscrew Shaft Collars: Amazon.com: Industrial & Scientific
Amazon.com: AZSSMUK 3/4" Shaft Collar Double Split Clamp-on with Set Screw 4-packed : Industrial & Scientific
Climax Metal C-150-BO Shaft Collar, One Piece, Set Screw Style, Black Oxide Plating, Steel, 1-1/2" Bore, 2-1/4" OD, 3/4" Width, With 3/8-16 x 3/8 Set Screw: Setscrew Shaft Collars: Amazon.com: Industrial &
Shaft Collar, Set Screw, 1Pc, 3/4 in, St, PK3: Amazon.com: Industrial & Scientific