Same quality drill set as the #4002 but this has a hard plastic, hi-viz orange case.
Ultra Dex, Manufactured to NAS 907B aerospace specification, 44170 SP-29P 1/16"-1/2" by 64ths, Ultradex plastic case, Recommended for use in work hardening grades of stainless steel & other hard metal drilling applications. Type 190-AG NAS 907B 135° Split Point Black & Gold Magnum Super Premium.
