ITEM NAME:200pcs Steel Spring Extension Tension Pressure Springs Set Hardware Tools A#S Product Description Description: 200 PCS Steel Spring Electrical Hardware Spring Extension Tension Springs Pressure Suit Metal Assortment Transparent Box Size:(length X width X height)210mmX110mmX30mm/8.27"X4.33"X1.18" Product Specifications: 7 X 13 mm/0.28"X0.51"= 10, Â 6X12mm/0.24"X0.47" =10, 5.5X27mm/0.22"X1.06" 9.5 X 16 mm/0.37"X0.63"= 6, 9 X 18 mm/0.35"X0.71"= 12, 9 X 35 mm/0.35"X1.38" = 8 5.5X38mm/0.22"X1.5"=10, 7X19mm/0.28"X0.75"=10 Tension Spring: 5X10mm/0.2"X0.39"=10, 5.5X14mm/0.22"X0.55"=10, 6X10mm/0.24"X0.39"=10 8X13mm/0.31"X0.51"=8, 7.5X17mm/0.3"X0.67"=10, 8.5X26mm/0.33"X1.02"=12 8X50mm/0.31"X1.97"=12, Â 7X55mm/0.28"X2.17"=12, 4X70mm/0.16"X2.76"=12 5X34mm/0.2"X1.34"=8, 7X25mm/0.28"X0.98"=10, 8X23mm/0.31"X0.91"=10 Included: 200 X Springs.Tension Spring Included: 200 X Springs. Transparent Box Size:(length X width X height)210mmX110mmX30mm/8.27"X4.33"X1.18". If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.