Durable crane grinder handle and chuck replacement - Material and build - Made from aluminum alloy and plastic - The handle and the chuck are durable, corrosion resistant, and resistant to rust - Adjustable size and compatibility - Designed as a special replacement for 380W and 780W crane grinders - Chuck clamping range: 0.3 to 6.5 mm - Easy to install and quick to replace, providing a reliable upgrade for compatible grinders - Functions and performance - Suitable for high precision engraving, grinding, and polishing - Provides a secure grip and accurate control for delicate tasks - Ease of use and value - Quick, straightforward installation - A convenient and economical spare part to keep on hand Usage scenarios - Precision engraving on metal, wood, or plastic components where fine bit control is required - Detailed grinding and edge finishing to improve appearance and fit of parts - Polishing and surface finishing in hobbyist projects or small-scale manufacturing Specifications at a glance - Material: Aluminum alloy; Plastic - Compatibility: Special replacement for 380W and 780W crane grinders - Chuck clamping range: 0.3–6.5 mm - Applications: High precision engraving, grinding, polishing Care and maintenance - Keep dry and clean to maintain corrosion resistance - Inspect the chuck and handle for wear and replace as needed to ensure consistent performance This replacement handle and chuck set delivers reliable performance, compatibility, and value for upgrading or maintaining your crane grinder.