Didamx 200Pcs Spring Clamps Fastener Review

Made of high quality 65Mn spring steel, which is glossy ,anti-corrosion and anti-oxidation, hard and durable. Smooth inside and will not cut into the hose, no hurt to your hands or tubes, perfect for attach hoses to fittings to prevent flow leakage. Easy to tighten since the bolt is out away from the clamping surface. Designed for air hose, water pipe, fuel line, silicone hose, great choose for push mower, riding mower and snowmobiles,etc. Package Included:200Pcs, 6mm,7mm, 9mm, 10mm, 11mm 14mm, 16mm, 17mm inner diameter.