Lattice Quad Block is a portable anodized aluminum pinch block designed for climbers to build comprehensive grip strength across four targeted pinch positions, perfect for gym sessions, home training, rehab, or crag warm-ups. Key Features Four pinch grip sizes: Deep wide, shallow wide, deep narrow, and shallow narrow positions engage forearm/hand flexors for balanced climbing performance on all holds. 30mm pickup edge: Ideal for beginners, finger rehab with progressive loading, or advanced no-hang flexor training. Skin-friendly aluminum: Anodized finish delivers consistent friction, ergonomic large-radius edges, and mechanical depth stops for accurate, repeatable testing. Portable and durable: Compact 14x14x11cm design supports up to 280lb loads; includes accessory cord and My Pinch assessment instructions.