Sea-Dog flagpole sockets are constructed from corrosion-resistant investment cast 316 stainless steel, designed to securely mount marine flagpoles while withstanding harsh saltwater environments. These sockets feature set screws to hold the flagpole in place and are rated for a maximum speed of 10 MPH. Available in angled and flush mount options for 1" and 1-1/4" diameter flagpoles. Part Number 491912-1: 10° angle, 1" hole diameter, A 2-5/8", B 2-1/8", fastener #10 FH, weight 0.48 lb Part Number 491913-1: 10° angle, 1-1/4" hole diameter, A 2-3/4", B 2-5/16", fastener #10 FH, weight 0.62 lb Part Number 491713-1: 25° flush mount, 1-1/4" hole diameter, A 2-7/8", B 2-1/2", fastener 1/4" FH, weight 0.63 lb These stainless steel flagpole sockets are ideal for marine applications where strength, stability, and corrosion resistance are essential. Installation requires three flat head fasteners (not included).Compatibility, Limitations & NoticesWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov .Available Options Manufacturer Part Number Hole Diameter Height UPC Dimensions 491912-1 1" 2-1/8" — — 491713-1 1-1/4" 2-1/2" 0035514491013 8 × 4 × 1 491913-1 1-1/4" 2-5/16" — —