Chrome Vanadium steel combination spanner with 72-tooth, WallDrive® ratchet ring. Ultra-smooth ratchet action requires only 5° rotation to pick up the next tooth. Flexible ring head is ideal for awkward applications. Features & Benefits:Chrome Vanadium steel ratchet spanner with WallDrive® ratchet ring.72-tooth ratchet ring and gear.Hinged ring head, ideal for awkward applications.Lifetime guarantee*.Model No. FHRCW18 Specifications: Model No FHRCW18 Brand: Premier Length: 250mm Nett Weight: 0.27kg Set Model No(s): AK63827 - 7pc Set (includes 8-19mm), AK6382 - 16pc Set (includes 8-19mm, three square drive adaptors and one bit holder) Size: 18mm