Replacement Collet and Nut Set Features:Designed as a replacement or upgrade part for drywall cutting tools Maintenance TipsRegular Inspection: Regularly inspect the chuck and nuts for signs of wear or damage. Please replace them as needed to maintain optimal performanceProper Storage: Store tools and their components in a dry and clean environment to prevent rust and damagePlease regularly perform light lubrication for the chuck and nuts to ensure smooth operation and extend their lifespan Product Safety PrecautionsPlease make sure to unplug the tool before performing maintenance or replacing parts Specifications:Material: Alloy SteelColor: BlackSize: 1/ 8inch ,5/ 32inch ,1/ 4inch the Package Includes:3 clamps1 x groove Note:Manual Measurement, Please Allow Slight Errors in Size. Due to Different Screen Display, There May Be Slight Differences in Color.