853/4 ACR® SL bits with sleeve, magnetized, PH 2 x 150 mmHigh quality bits with rough ribs (anti cam-out feature, ACR®) to prevent any slipping out of the screw head, permanently magnetized, thus screws can be held securely on the tip of the bit, with plastic sleeve, protects components from being damaged when screwdriving. Tough viscous for universal u