From old stock. Has some rust and staining. Has never been on a machine. Buyer will receive the sprocket shown. In original box as shown. 40 Chain Number 1 Strand 15 Teeth Without Hardened Teeth B Sprocket Style DESCRIPTION Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at an angle to keyseat. FEATURES Tolerances meet or exceed ANSI standards Manufactured of high carbon steel Precise machining and processes ensure consistent finish and high quality Bores are concentric to pitch line, minimizing run out SPECIFICATIONS MATERIAL Steel HUB LENGTH THRU 0.591 in WIDTH ACROSS TEETH 0.28 in SERIES B NO. OF STRANDS ACROSS 1 CONSTRUCTION Solid HUB DIA. 1.81 in CALIPER DIAMETER 2.08 in PITCH DIAMETER 2.400 in BORE STYLE Minimum Bore OUTSIDE DIA. 2.6500 in CHAIN PITCH 1/2 in INCH/METRIC Inch BORE TYPE Reborable BORE RANGE [MAX] 1 1/4 in KEYWAY No Keyway or Setscrew PITCH DIAMETER [MIN] 2.400 in NO. OF TEETH 15 CHAIN NO. 40 MARTIN NO. 40B15 LENGTH THROUGH BORE 7/8 in OUTSIDE DIA. [MIN] 2.6500 in BORE RANGE [MIN] 1/2 in SPROCKET STYLE B HARDENED TEETH Without Hardened Teeth WEIGHT 0.7 LB EAN OR UPC 697950003993