/ Precision Measuring Tools / Precision Hand Tools / Precision Shop Tools / Tap Wrenches / 91C * Not actual product image 50421 91C Tap Wrench 50421 Other similar products The Starrett 91 Tap Wrench is strong and well proportioned. It is nicely finished and the gripping surface is properly tempered. It will firmly hold square or round shanks. It is plunger operated by knurled sleeve, the spring inside the sleeve causes plunger to back off when pressure is removed. 12" (300mm) Length, 1/4-5/8" (4.7-16mm) Tap Size. Features Specifications Parts Contact Starrett Features Strong and well-proportioned Tempered gripping surfaces firmly hold square or round shanks Plunger operated by knurled sleeve Spring inside sleeve causes plunger to back off when pressure is removed Round shanks can be gripped, but care must be used. Excessive pressure may break the moveable V-jaw Specifications Capacity Tap Size (in): 1/4-5/8" Capacity Tap Size (mm): 6.35-16mm Body Length (in): 12" Body Length (mm): 300mm Square Shank (in): 5/32-3/8" Square Shank (mm): 4-9.5mm Parts Member of Kit Item #DescriptionPart No.QtyInformation 10BODY #91C06576-01 20NUT,5/8-18 PLUNGER06577-01 30PLUNGER06578-01 40PIN, .120X.29006580-01 50SPRING, .337X.407X1.500X.035X806581-01