The Grace USA bench block holder is specifically designed to meet the needs of gunsmiths. Each bench block is constructed from 60 durometer neoprene rubber, a versatile compound known for its superior oil resistance, chemical stability and vibration dampening properties. The neoprene material ensures the bench block maintains stability across a broad temperature range. Handcrafted in the USA, the Grace USA Gunsmithing bench block provides an ideal solution for ensuring you have the appropriate tools for your tasks. This bench block is constructed from high-quality, durable materials designed to withstand heavy use Durable and high-resilience bench block designed for extended operational longevity and consistent performance in demanding environments Constructed with 60 durometer neoprene rubber, ensuring optimal balance between flexibility and durability for enhanced performance in demanding applications