SKF 71805 ACD/P4TBTF Single Row Angular-Contact Ball Bearing, High Precision Ball Bearings Set, (Three Pcs) - 25 mm ID, 37 mm OD, 7 mm Width Screwdriver Bit This mechanical self-locking clamp grips

This mechanical self-locking clamp grips both soft and hardened shafts far more securely than a set-screw collar

7-piece bit set

and 1 on the front

narrow pulling jaw is suitable for universal pullers

user manual

SKF 71805 ACD/P4TBTF Single Row Angular-Contact Ball Bearing, High Precision Ball Bearings Set, (Three Pcs) - 25 mm ID, 37 mm OD, 7 mm Width Screwdriver Bit This mechanical self-locking clamp gripsHigh Precision Angular Contact Ball Bearing SKF high precision angular contact ball bearings are designed for machine tool spindles and other high precision applications. They feature optimized internal geometry for high speed capability and precision. Available as single bearings and as universally matchable sets for various arrangement configurations. Manufactured to super precision tolerances.