These belts are from my repair electronic repair business of 30 years in which we repaired consumer products for 30 different companies. I estimate conservable number of belts over 800 of flat, round and square belts of all different sizes from 43" turntables and reel to reels to sub miniature ones. Included is a belt measuring slide and a book of thousands of different makes and models and which belts they use. There are also several bags of loose belts with approximate 75 belts in each. Some of the companies are Sony, Panasonic, Sharp, Kenwood, B&O, Hitachi, Mitsubishi, RCA, Sanyo, Fisher and more. These belts are for cassettes, turntables, 8 tracks, reel to reel, VCRs and more that needs belts. 9-pound box Free shipping