The park tool hcw 17 fixed gear lockring wrench features two different radius hooks for a precise fit on most fixed gear lockrings the hcw 17 has two different ends park tool hcw 17 fixed gear lockring wrench features double ended fixed gear lockring wrench features two different radius hooks for a precise fit on most fixed gear lockrings 11 58 inches 29 cm in length for excellent leverage made in the usa and covered by park tool39s legendary limi