48Pc Extension Spring Assortment 4100071 koken 1 2"dr speed handle 400mm PN_D1010800 koken 1 2"dr speed handle 400mm 4780 1 2"dr speed handle 400mm Goliath 1 3 8" UNC HSS Second Tap For producing precision threads by hand tapping CA101 48PC EXTENSION SPRING ASSORTMENT • 12 Sizes: Lengths 1” to 4 3 4” and 3 16” to 1 2 Dia • 48 Pieces Replacement Packs Available: Part # Size Pack Qty C101 25 4 3 4 x 1 2 x 15G 4 C101 26 4 x 9 16 x 16G 4 C101 27 3 3 4 x 1 2 x 17G 4 C101 28 2 1 2 x 1 2 x 17G 4 C101 29 3x 7 16 x 18G 4 C101 30 2 1 2 x 11 32 x 20G 4 C101 31 3 1 8 x 11 32 x 20G 4 C101 32 2 7 8 x 9 32 x 21G 4 C101 33 2 x 9 32 x 21G 4 C101 34 2 x 7 32 x 24G 4 C101 35 1 x 7 32 x 24G 4 C101 36 1 1 2 x 3 16 x 26G 4