Features: With the or in the closed position, insert the Schrader or itting and rotate to lock- in place. Remove the on the itting, and a standard electric . Use your compressor or tire to easily reach ggested within 5-10 min, the large the inflation you use, the ast the inflation. Widely applicable to most paddle boards, canoes, rubber boats, assault boats, dinghy, kayak, etc. Made rom high strength hard plastic and alloy, solid structure and saving labor, strong seal and anti-leakage. Because the compressors/tire s take- or time to inflate, it is recommended to inflate the board by hand until it becomes difficult to , and then use the adaptor to top- the pressure. Specifications: Nylon ABS Alloy Length: approx 3.4 or Width: approx 3.4 or Height: approx 7.8 or Air inlet diameter: approx 7.6mm Note: Please allow 1-3cm error due to manual measurement. pls make re you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Adaptor