60 Deluxe 1-1/2" Plastic Wrought Iron Patio Chair Leg Inserts Glides Caps Material:Plastic The screw size would depend

The screw size would depend on the frame hole size

This round multi-gauge insert glide fits a tube with an outside diameter of 3/4" and an inside diameter of approximately 1/2" - 5/8" (14 to 20 gauge tube)

Fits Carter Grandle and Baja

Fits 1-1/4″ length x 3/4″ width (fits several sling rail extrusions from China manufacturers and also fits Woodard Castille Sling Collection)

60 Deluxe 1-1/2" Plastic Wrought Iron Patio Chair Leg Inserts Glides Caps Material:Plastic The screw size would dependFits a 1 1 2" inside diameter hole and made for the feet of wrought iron furniture. Very durable made to replace old or missing inserts. Also fits metal weld cup part #30 408.