4" String-Type Insert Medium Black Box of 50

4" Medium Fat Black String-Type Insert 31inc 12-394 / BOWES TR 37394 Box of 50. Temporary repairs sealing by compression only • For use in radial and bias ply tires • Excellent for golf carts, lawn mowers, and ATV’s • Install 37498 and 37498L using any closed-eye needle • Install all other string type inserts using any split-eye needle