automatic door closing artifact household sliding door windproof tension spring spring door closer screen door spring tension tension spring customized

Color classification:: The size is: wire diameter * outer diameter * total length with hook 1.0*7*360 (2 light doors installed) 1.0*8*360 (2 light doors installed) 1.2*10*380 (2 room doors installed) 1.2 *10*440 (two room doors installed) 1.5*12*450 (two heavy doors installed) 1.5*12*500 (two heavy doors installed) 1.0*7*360 (two light doors installed) with screwdriver 1.0*8*360 (two light doors) with screwdriver 1.2*10*380 (two room doors) with screwdriver 1.2*10*440 (two room doors) with screwdriver 1.5*12*450 (heavy doors) 2 packs) 1.5*12*500 with screwdriver (2 packs for heavy doors) with screwdriver combination: 1.0*7*360/1.0*8*360 (one for each) combination: 1.2*10*380/1.2*10* 440 (one each) Combination: 1.5*12*450/1.5*12*500 (one each) Combination: 1.0*8*360/1.2*10*380 (one each) Combination: 1.0*8*360/ 1.2*10*440 (each one) Combination: 1.2*10*440/1.5*12*450 (each one) Combination: 1.2*10*440/1.5*12*500 (each one)