The ERGO CAP High Performance is an advanced, all-purpose, durable rubber cane/crutch tip engineered to mimic the joint articulation of the foot/ankle by utilizing its unique four winged patented design for maximum stability, safety, and comfort. HIGHLIGHTS 3/4″ DIAMETEROVERALL HEIGHT: 3.50″OVERALL WEIGHT: 3.20″OVERALL DEPTH: 3.20″POLE HOLE DIAMETER: 0.75″UNIT WEIGHT: 7 OZ MATERIALS ARE LATEX FREE