Doing Bench Presses, Squats, or Power Lifts without spotters is never a good idea if you are new to strength training. Invest a pair of Yes4All Safety Bars right now, we to give you 100% safety and confidence during heavy reps. HEAVY-GAUGE STEEL CONSTRUCTION FOR EXTRA INSURANCE Unlike other poor-quality products on the market, Yes4All Safety Bar Extension is constructed of thick solid steel with a black paint coating finish to last for lifetime usage. The Safety Bar Extension features with UHMW Plastic Pad to reduce noise in case you drop the bar, as well as protect your barbell from damage. SIMPLE SETUP FOR EASY USAGE Let your strength game begin with confidence! Just simply secure a pair of spotter pins in place, then you can focus on your workout without having to worry about injury in case you have a failed rep. Yes4All Safety Bar Extension is specially designed with a 0. 95-inch tube to fit 2-inch x 2-inch power rack. Furthermore, the secure tightening knob makes it easier to unrack and rack the bar while allowing the bar to stay safely in place on the rack. PRODUCT SPECIFICATIONS Package includes TWO Safety Bars & TWO secure knobs Dimension: 14. 67x7. 81x2. 25 (LxHxW) Material: Steel Tube’s thickness: 2. 5mm Bar diameter: 0. 95 inch Capacity: 750lbs for each Safety Bar Extension Product weight: 10. 8lbs (1 pair) Color: Black Compatible with 2” x 2” power rack with 1” hole 1-year and 30-day return. Dimensions are as follows: - Product Dimension (L x W x H): 12 Inch x 2 Inch x 8 Inch - Package dimension: 15.3 Inch x 8.2 Inch x 5.1 Inch - Bar to Lock: 0.95 Inch - Space of sheet metals: 2 Inch So, we can confirm that our product can be compatible with 2 inch x 2 inch power rack with 1 inch Hole.