3/8" repair clamp. Type 301 stainless steel bands, won"t rust! Plated malleable iron lugs assure uniform pressure. High content neoprene gasket will not deteriorate, giving positive seal. Plated steel bolts and nuts; 1 bolt installation. Will not collapse Schedule 40 PVC pipe. 3/8" I.P.S., Schedule 40 PVC or 1/2" CTS x 3" long