090715 Stirrup Bolts. Nothing sets off a nice pair of stirrups like a pair of stirrup bolts. HSBT sends these stainless Concho's in a floral design with 5" long bolts also made of stainless along with matching acorn nuts and washers. Only available here at HSBT- you can order your stirrup bolts in concho sizes of 1.0", 1 1/2" and 1 3/4"