Smooth like butter, that’s how smoothly these babies grind. Cult Butter pegs have been around for a few years, are trusted by many, are here to stay. Cult x Butter pegs feature a aluminum core with a replaceable nylon sleeve. The Cult Butter pegs have a heat treated 4130 chromoly core with a Perlon-Nylon 6 sleeve. (Cheap replacement sleeves are available separately.)These pegs are made for 14mm axles but comes with 3/8″ (10mm) adapters. ###section### Product Specs LENGTH: 4.125\" (105mm) / 4.5\" (114mm) DIAMETER: 36mm MATERIAL: Plastic AXLE SIZE: 14mm PACK SIZE: Single WEIGHT: 170g / 6oz