There's a slight oil stain on the bearing. The hole for the armrest is slightly slanted, which might make it difficult to tighten. An electric screwdriver would be helpful. Gaming Floor Chair with Headrest & Lumbar Support, 135-degree Recline, Premium PU Leather, 360-degree Smooth Swivel, Suitable for Office/Japanese-style Rooms, Long-term Sitting PK32HH Color: 32 Series Black and Gray Product Dimensions: 60cm Depth x 60cm Width x 83cm Height Design that blends with the interior - Gaming Floor Chair: With the features of a gaming chair that is comfortable even for long hours of sitting and a design that blends seamlessly with your home interior, the stylish color scheme doesn't disrupt the calm space and atmosphere, making it a good balance for various home environments. It meets various needs such as home, office, gaming, and rest, renewing the image of conventional gaming chairs, and becoming a chair that fits any scene. [Gaming Floor Chair Specifications] Size: L60cm*W42cm*H74cm; Seat Height: 8cm; Body Weight: Approximately 15.6kg; Weight Capacity: Approximately 136kg; Material: Fabric + Urethane Foam; Functions: 90°-135° Recline, 360° Swivel [Ergonomic Gaming Floor Chair] Designed based on ergonomics, it firmly supports your back, shoulders, and head! The backrest and back are somewhat in close contact, and the neck pillow and lumbar support support the neck and waist to protect them. It feels like it gently envelops the body, providing a sense of security that is outstandingly high. It's not tiring even after sitting for a long time or playing games. [Japanese-style Gaming Floor Chair that suits Japanese homes] Without losing the NIONIK style, this gaming floor chair suits both Western-style and Japanese-style rooms. It stimulates the motivation for game play with its cockpit-like futuristic design and luxurious texture. It supports creating your own world with a variety of combinable functions. "Fabric" is an important point in choosing: GTBoy's gaming chair uses "synthetic leather" that feels like real leather. Gaming chairs made of synthetic leather have a luxurious appearance and functional benefits. Since sweat and dirt do not soak in, it is easy to clean. The resistance to dirt is an important point for using a gaming chair for a long time.