Spanner Wrench Set, w/ A, B and D Blades
High grade steel set with chrome blades and thumbscrew locking. Adjustable from 1/8" to 4" diameter. Includes: two 3/16" diameter slide bars, two 3/8" steel ball quick-change receptacles, 3 sets of chrome tips, straight flat, 1/4" offset and pencil point. Vital for use with optical instruments and for removing locking rings. (made in the USA)