21/64" Cryogenic HSS Black & Gold Jobber Length Drill Bit Shopify Collective and the latches are polypropylene

and the latches are polypropylene (PP)

Part Number DWDTSMM34

Part Number CTH0937

Part Number TSC5/8-5/16

Part Number: assortment-kit-4711511 Pieces - Coarse Thread

21/64" Cryogenic HSS Black & Gold Jobber Length Drill Bit Shopify Collective and the latches are polypropyleneProduct Description KFD Killer Force Drill Bits are manufactured from M2 premium grade high speed steel. Cryogenic KFD Drill Bits are cryogenically frozen to 300F for 48 hours. Cryo treating the drill bits results in increased tool life, torsion strength and improved corrosion resistance. They are black and gold surface treated for use for use on alloy steel, aluminum, brass, bronze, carbon steel, spring steel, stainless steel, tool steel and other