• 12 mm deep cup design
• Nylon top cover and plastic seal
• Forged and CNC-machined steel cups
• Upper: O5/32" x 20 retainer bearings
• Lower: Oversized O3/16" x 20B retainer bearings
• Stack height: 12.8 mm + 11.9 mm = 24.7 mm
• Weight: 149 g