This is a well-made piece of equipment. 【For Training and Core Strengthening】 I found the 45-degree assistance too difficult (couldn't do pull-ups). However, a specialist advised me that "strengthening the center of the back and shoulder blades with 90-degree parallel grips is the priority," and I've been training with this, and it was the right choice for me. (I am selling these because I purchased multiple of the same item) ◉ I will ship via Yamato Transport's Nekopos service, which delivers to your mailbox. Thank you. ・Lightweight and extremely durable high-strength composite nylon material ・Non-slip grip for a firm hold ・Rubber is used inside the hook to prevent scratches and slippage on the shaft ・Supports a variety of exercises such as pull-ups, lat pulldowns, rowing, and deadlifts