Designed for use on Taylor Made fenders with 3/4" I.D. tubing. May be used on other brands, but due to variation among brands the consumer must verify a tight enough fit between the tube and product for proper function. Center tubes must be small enough to keep the product halves firmly together. Injection molded reinforced nylon for strengthVented to prevent water accumulating in fender tubeProfessional finished lookFits 3/8" diameter rope