Master Mechanic 3/8" Hose Repair Kit includes 3/8" hose barb x 1/4" MNPT hose end with pre-applied teflon thread sealant. 3/8" barbed hose mender & 3 hose clamps. Size: 3/8" Hose repair kit Includes 3/8" hose barb x 1/4" MNPT hose end with pre-applied teflon thread sealant 3/8" barbed hose mender & 3 hose clamp