Sp Spanners are precision machined, heat treated & tested under the strictest quality control measures to ensure world class quality & durability.. These gear drive units are some of the best available allowing the min of movement.
Sizes 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16 & 3/4"
(pic for illustration purposes only)
really worked well good gearing