TK660720 SL3.5mm x 37L 1/4" Dr. Bits Socket Description SL3.5mm x 37L 1/4" Dr. Bits Socket * Chrome Vanadium Steel Alloy Steel *4 Ball Retaining Grooves * S2 Bits ,Satin +Polished with Knurl Packed: Plastic Hanger + Color Label Inquire Now View More Details