12 Nail-on 7/8" Felt Pad Glides Material:Plastic 5/16"-18 Thread with approximately 5/8"

5/16"-18 Thread with approximately 5/8" stainless steel threaded stud adjustable glide

These fiberglass rocker spring plates do not have holes drilled

Fits tube size: 13/16" outside diameter x 11/16" inner diameter hole

Oval sling insert fits sling type patio chairs and lounges

12 Nail-on 7/8" Felt Pad Glides Material:Plastic 5/16"-18 Thread with approximately 5/8"These nail on felt base glides make for the perfect protector against scratches on your floor. They nail easily into your furniture for long lasting protection against scratches. You may need to drill a slightly smaller size hole than the nail glide nail diameter into the leg for very hard wooden legs to avoid splitting the wooden leg and then hammer the glide securely into hole.