Introducing the Parallel Clamp Block Set by POWERTEC.These Parallel Clamp Blocks are your key to achieving precise, stable, and secure clamping for a wide range of woodworking projects.[Enhanced Clamping Capabilities]: The perfect accessory to have accurate alignment and prevent shifting or twisting for your parallel clamps, they provide a stable platform for clamping frames, boxes, doors, miter corners, tabletops, and more.[Durable and Reliable]: Crafted from polyamide thermoplastic, these heavy duty clamp blocks are able to resist deformation, providing a stable and reliable clamping base for longevity to withstand the rigors of your workshop.[Versatile Applications]: These Parallel Clamp Blocks will enhance your workflow and expand your project possibilities no matter you're a professional woodworker or a DIY enthusiast. Perfect for:[Gluing Up Panels]: Create perfectly aligned panels for tabletops, cabinet doors, and more.[Assembling Frames]: Ensure precise corners and secure joints when building frames for furniture, doors, or windows.[Clamping Boxes]: Hold box components securely in place for accurate assembly and gluing.[Creating Miter Joints]: Achieve tight, gap-free miter joints with ease.[Compatible and Convenient]: Works seamlessly with POWERTEC 71602 (48") and POWERTEC 71368 (24") Parallel Clamps, as well as most standard parallel clamps on the market.