These hand bendable Bundy extensions are available in several standard lengths of single and double bend in 6.350 mm (0.250") increments on request up to 254.000 mm. (10.000") length and 25.400 mm (1.000") increments for longer length extension. Features include simplicity of attachment, adjustable direction and swivel 'O' ring seal. Can be used directly with Schrader 650-197 tubeless spud.