Hardware Product» Spring » Extension Spring » Extension Spring Extension Spring WELLSCOID SIZE FINISH Material PType UNIT OFMEASURE BOXQTY CARTONQTY 15-8340K 7/16" x 2" Steel Zinc Plated Bulk EACH 50 500 15-8340C 7/16" x 2" Steel Zinc Plated Carded PACKS(4/PK.) 10 100 15-8341K 9/16" x 3" Steel Zinc Plated Bulk EACH 50 500 15-8341C 9/16" x 3" Steel Zinc Plated Carded PACKS(4/PK.) 10 100 กก