... NUT connector square 1.Specifications:1/8"- 2-1/2" 2.Material:SS304,316. 3.Working Temp:-30 -120 1-1/2'' STAINLESS STEEL HEX ... casting stainless steel quick coupling series 2.Model:outer cone,inner cone,welding nipple,nut,ball 3.Specifications: 1/4,3/8,1 ... /2,3/4,1,1 1/4,11/2,2,2 1/24.Weight: 0 ...