OTC Tools OTC 1513B Stinger Series 4-Ton Collision Repair Set. 4 Ton collision repair set includes a single speed hydraulic hand pump, single speed ram with 4" stroke. Very competitively priced, yet high quality. Set includes: Hydraulic pump, hose and ram; Four extension tubes: 4", 8", 12" and 16"; Extension tube coupling; Rubber flex head; 1/2 Ton spreader w/NPT ram half coupler; Ram toe and Plunger toe; Wedge head and 90 degree Wedge head; Serrated saddle and Flat base; Blow molded storage case.