Hardened and tempered drop-forged Chrome Vanadium steel with recessed panel and satin finish. Specially designed for use with slotted retaining rings. Hook and pin interchangeable hinged arms with three wrenches covering sizes 19-121mm. Pin sizes Ø4-8mm. Supplied in tough storage case. Features & Benefits:Hardened and tempered drop-forged Chrome Vanadium steel.Specially designed for use with slotted retaining rings.Hook and pin interchangeable hinged arms with three wrenches covering sizes 19-121mm.Pin Sizes: Ø4-8mm.Supplied in tough storage case.Model No. SMC2 Specifications: Model No SMC2 Brand: Sealey Nett Weight: 1.2kg Small Wrench Adjustment: 19-51mm Medium Wrench Adjustment: 32-76mm Large Wrench Adjustment: 51-121mm Small/Medium Wrench Pin Sizes: Ø4, 5, 6mm Large Wrench Pin Sizes: Ø6, 8mm