Safe and reliable - Designed with a grip wedge, this product provides 360-degree wood expansion to secure the fit on arbor heads. It helps prevent loosening or dropping of tools during use. Wide size range - Hammer Grip Wedge Set includes seven sizes: 8 mm, 10 mm, 11 mm, 13 mm, 16 mm, 18 mm, and 19 mm. The range lets you find the perfect fit for your specific needs. Durable material and finish - These handle wedges are metal and built for longevity. The silver finish adds an aesthetically pleasing look to your tools. Function and compatibility - The wedges are designed to securely hold tool heads on handles and arbors, reducing movement and improving safety during operation. Specifications at a glance - Sizes: 8, 10, 11, 13, 16, 18, 19 mm - Material: Metal - Finish: Silver Use scenarios - Securing a loose hammer head onto a wooden handle to restore a firm grip and safe use. - Tightening tool heads on drill or grinder arbors to prevent wobble during operation. - Replacing worn or missing wedges to restore a secure fit on arbors and maintain tool safety.