FOREDOM H.30H HANDPIECE #30H SQUARE DRIVE HANDPIECE CAPACITY 0-5/32" - 0-4mm The H.30H general purpose Square Drive handpiece, has a geared 3-jaw #0 chuck with 0-5/32" (4mm) capacity. The 30H adjustable chuck holds any size shank accessory or drill bit up to 5/32” / 4mm. Includes chuck key in molded handle. Has positive locking mechanism (locking ring) for use with: Series SRH, TXH, LXH and discontinued H motors. This handpiece REQUIRES and must be used with the heavy duty, square drive Series SRH, TXH and LXH motors. Handpiece comes with pre-lubricated, shielded ball bearings that do not require maintenance. SPECIFICATIONS: Made by Foredom USA - Length: 5-13/16" - 148mm - Diameter: 1" - 25.4mm - Weight: 10.5oz. Chuck Key: HPCK-0 Molded plastic handle for changing rotary tools and accessories. Item is BRAND NEW, NEVER USED - ORIGINAL FOREDOM PRODUCT