315 Piece Roll Pin Kits. Includes 12 different sizes: 5 Pc 3/8" diameter (3/4"-1 1/2"), 5 Pc 3/8" diameter (2"), 10 Pc 5/32" diameter (5/8"-1"), 10 Pc 5/32" diameter (1 1/2"), 10 Pc 5/64" diameter (1/4"-1/2"-1"), 10 Pc 1/16" diameter (3/16"-3/4"-5/16"), 10 Pc 3/32" diameter (5/8"-1"-1 1/4"), 10 Pc 1/4" (5/8"-1 1/4"-1 3/4"), 10 Pc 5/16" diameter (3/4"-1 1/2"-2"), 10 Pc 7/35" diameter (5/8"-1 1/4"-1 3/4"), 15 Pc 1/8" diameter (5/8"-1"-1 1/4"), 15 Pc 3/16" diameter (5/8"-1"-1 1/4"). You get three different sizes of each diameter from 3/16" to 2" long. A reference chart is included along with a hard plastic carrying case where each size has its own place. This set is great if you do automotive repair, truck repair, or heavy equipment repair. Similar sets retail for $49.95 and individual pieces range from $1.50 to $3.00.