1-3/8" Wrenching Collar Two-Piece Split Clamp-Type, SteelImpart torque without damage to shaft Wrench flats allow use of standard open end wrench Can be placed anywhere on shaft Shaft Wrenching Collars enable users to turn shafts without using a pipe wrench which can scratch or gouge them. The 2 Piece Clamp Type style makes them easy to install and they have wrenching flats on their OD, which allow the use of a standard open end wrench. Stocked in: Steel Specifications Part Number WC2L106 Series Solution