Reg-Collars Collars for standard bars, 1 & 1-1/6 in.

CC-3: a compression-ring collar w/spin-lock, chrome. For use w/ 1-1/16" bars, incl. B-66, B-72, B-86. Weight: 2.625 lbs. ea.
C-3: a compression-ring collar w/spin-lock, gray. Grey variant of above. Weight: 2.625 lbs. ea.
C-2: a compression-ring collar with spin-lock, chrome. Incl. in Rubimo & Best 110 lb. sets. For use with 1-1/16" bars incl. B-66, B-72, B-86. Weight: 0.6 lbs. ea. DISCONTINUED.
COS-2-1/2: a 2-1/2 lb. outside collar for 1" & 1-1/16" bars.
CIS-2-1/2: a 2-1/2 lb. inside collar for 1" & 1-1/16" bars.
C-1: a 1 lb. outside collar for 1" bars. Use with B-60.
C-1/2: a 1/2 lb. dumbbell & barbell collar for 1" & 1-1/16" bars.
CL-1/4: a compression-ring collar w/t-bolt for 1" & 1-1/16" bars. Weight: 0.4 lbs. ea. OUT OF STOCK.
C-1/4: a compression-ring collar with allen-bolt. For use as an inside collar (on B-72 & B-86) or as a fixed outside collar on the B-66 as a commercial-grade fixed barbell. Weight: 0.4 lbs. ea.
C-1/2 + QL-5/16: a 1/2 lb collar w/copper-tipped t-bolt.
C-1/2: As above w/sq. bolt. Use as an inside or outside collar.
CS-27T: a quality spring collars for 27mm bars.
CTS: replacement (Acme) threaded Collar for SAFIMO™ Ivanko straight bars, EZ-Curl bars, and dumbbell handles.
Note: you must have an Acme-threaded handle for this collar to fit!

Note: Replacements bolts and wrenches for older-style square headed bolts are available.