Optional 14 Tooth 48P Optional Steel Pinion Gear for 5mm shaft FEATURES: CNC Steel Gear then Nitride to increased wear resistance, improved fatigue life, and enhanced corrosion resistant Black Black Steel base construction with 4mm set screw Longer Base surface for maximum contact YOU WILL RECEIVE: One pinion gear One set screw 4x4mm One 5mm to 1/8 conversion Sleeve REQUIREMENTS: 2mm hex wrench to install the set screw SPECIFICATIONS: length: 14mm 48 Pitch 14 tooth COMMENTS: This gear is designed for 5mm Shaft or 1/8 Shaft description revised by: WP June 10, 2014