Rustproof and strong. Molded head on twisted aircraft-grade aluminum rod. Brilliant break-resistant plexiglas reflector. No. DM-100-R-36: Stake Material: Aluminum, Height: 36", Reflector: 3.25" dia, Light: Red, Pkg Qty: 1 No. DM-100-B-36: Stake Material: Aluminum, Height: 36", Reflector: 3.25" dia, Light: Blue, Pkg Qty: 1 No. DM-100-R-48: Stake Material: Aluminum, Height: 48", Reflector: 3.25" dia, Light: Red, Pkg Qty: 1 No. DM-100-B-48: Stake Material: Aluminum, Height: 48", Reflector: 3.25" dia, Light: Blue, Pkg Qty: 1 Thanks for shopping Hipp Hardware Plus's Online Store for all your DIY and Home Improvement needs. Remember Hipps Help!