The high performance, woven, nylon based, fabric facing material has been engineered and tested for highly wear resistant performance. The helically wound tensile cords are specially engineered, twisted and chemically set stranded fiberglass material. 1pc HTD5M Black Rubber Timing Belt Width 15/20/25 Mm 870mm 880mm 890mm The belts feature high temperature chloroprene polymer throughout. Compared to chain drives BESTORQ Trapezoidal Tooth timing belts are cleaner, lube-free, quieter and lower in cost. DIY Replacement Drive Belt BESTORQ 100-XL-025 Trapezoidal Tiing Belt, 10" Outside Circuference X Industrial Timing Belt Replacement They offer a reliable, economical and trouble-free alternative to chain drives. Order Bestorq Bestorq Double Side Timing Belt Model D925-5M-15 - 36.42 in Outside Length - 0.59 in Top Width, D925-5M-15 at . Great prices & free shipping on orders over $50 when you sign in or sign up for an account Trouble-free alternative to chain drives BESTORQ Trapezoidal Tooth timing belts are high capacity industrial timing belts. The backing is precision ground for smooth uniform running.