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 10 and 11mm. Sizes 8 and 9mm available - Model No. VS4511. 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 10 and 11mm.Sizes 8 and 9mm available - Model No. VS4511.Model No. VS4512 Specifications: Model No VS4512 Brand: Sealey Nett Weight: 82g