【Universal Fit for 2" x 2" Power Racks】Exclusively designed for 2" x 2" power racks, these squat rack attachments are compatible with both 5/8" and 1" holes. A metal sleeve is attached to the 5/8" pin, and you can fit the metal sleeve to perfectly adapt to 1" holes, ensuring a snug and secure fit for these safety spotter arms. 【Practical Load Capacity & Lightweight Design】These spotter arms can withstand up to 550LB, suitable for daily strength training needs. The lightweight design makes installation and adjustment more convenient, ideal for personal gym use. 【Single Locking Design & Perfect Dimensions】Features a simple and reliable single locking design for easy operation. Each safety arm measures 18.1" in length, compact and space-saving, fitting well with 2" x 2" power racks without taking extra space.

Integrated strength training accessory: Gym pin combining professional-grade drop set pins gym stability/safety and extender compatibility. Resolves traditional pain points: poor adaptability, cumbersome switching, multi-piece requirement. Fits home/commercial gyms; enhances training efficiency and operational safety. Dual Core Functions: Gym pins for weight stack have two modes – weight pin and extender. Weight pin secures weight plates on equipment (leg/chest press machines) with universal standard pin hole fit. 30-second tool-free mode transition. High Strength Material: Drop set pins one-piece high-strength carbon steel with electrophoretic anti-rust and wear-resistant coating (humid environment compatible). Max load 120lbs; maintains structural integrity after 5,000 load-bearing tests.