Specially designed caliper bleed nipple spanner simplifies brake bleeding. Fitted with neoprene rubber seals which stops air being put into the system. Colour-coded for easy size identification. Spanner includes 8 and 9mm. Sizes 10 and 11mm available - Model No. VS4512. Features & Benefits:Specially designed caliper bleed nipple spanner simplifies brake bleeding. Fitted with neoprene rubber seals which stops air being put into the system.Colour-coded for easy size identification.Spanner includes 8 and 9mm.Sizes 10 and 11mm available - Model No, VS4512.Model No. VS4511 Specifications: Model No VS4511 Brand: Sealey Nett Weight: 82g