225pc Retaining Ring E-Clip Snap Ring Assortment and Case Essential shop hardware assortment for automotive, small engine, lawn-garden & appliance repair Durable spring-steel with rust-resistant black oxide finish; thickness 22-25 ga (0.02-0.03") 18 most-used sizes 1/4" to 1-1/4" (see description); 18-compartment organizer case, snap-tight lid Contains internal and external-ring styles common on shafts, axles, gears and pulleys An outstanding value - 225 rings for the price of a dozen at the auto parts store!