75-2225 Features: -O-Rings Assortment Set.-Organized-by-size see-thru case.-Set of 225 assorted rubber O-rings for the cost of just a handful.-Perfect for plumbing, mechanical and automotive repair.-Re-sealable carry case to identify sizes and organize easily. Includes: -Includes 18 of the most-commonly used sized rings. Dimensions: -Dimensions: 1.2" H x 8.3" W x 4.3" D.