Crossbow MacDaddy Sting Suppressors feature a soft polymer molded over the top of a durable inner stopper. Simply slide them over existing rods, no glue or adhesive needed. Fit 3/8 rods. This stopper is 2 long and has a 1 diameter face where the string comes in contact. Soft polymer molded over a super durable inner stopper;Fits 3/8" rods;No glue or adhesive needed Colour: Black Barcode: 690164010603