OCR Compression Printer Heatbed Leveling Review

【Prime Quality】This compression springs are made from stainless steel material ,so there are more durable,longer lifespan and can be re-use for many times. 【Widely Use】Compatible with most 3D Printer Bed, great for Creality CR-10 10S S4 Ender 3 Heatbed Springs Bottom Connect Leveling. 【Size】Hole Diameter (OD): 0.31"/ 8mm; Rod Diameter (ID): 0.16"/ 4mm; Length: 0.78"/ 20mm Loading Grade: Light Load, Model: TF 8*20. The loading grade of die springs in various colors (from lightest load to extra heavy load): yellow, blue, red, green, brown. 【Advantage】The springs are stiffer than ordinary springs, which help your 3D printer much more stable while printing. 【Features】Rectangular section, closed-end design. Die springs are primarily used in die machinery,For Plastic Injection.Because the springs are well suitable for high stress applications, they are also suitable for a variety of other applications as well.