Hi-Impact super tough nylon. Weather resistant. Accepts all antennas with 1″ – 14 threads. Comes with stainless steel hardware. Positive lockdown ratchet handle. Center to center 1-13/16 x 2-13/16. Material High Impact White Nylon Pkg. Card

Price is per unit.Also available in a case of 12. Please call us if interested in case pricing.