/ Precision Measuring Tools / Precision Hand Tools / Fixed Gage Standards / Screw Pitch Gages / 155 * Not actual product image 50588 155 Screw Pitch Gage, 27 Leaves 2-1/4-28 TPI 50588 Other similar products The Starrett 155 Screw Pitch Gage includes a substantial steel case with a number of folding leaves at both ends. This product includes 27 leaves, 2-1/4-28 TPI range with locking device and a 60 degree center gage. Features Specifications Parts Contact Starrett Features Most useful tool in any mechanic's tool box Quickly determines the pitch of a various threads Features a locking device at both ends of the case so leaves can be securely locked in position for use Leaves have a special narrow design, permitting checking internal threads in nuts as well as external threads Threads per inch 2-1/4, 2-3/8, 2-1/2, 2-5/8, 2-3/4, 2-7/8, 3, 3-1/4, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 20, 24, 28 Specifications Range (TPI): 2-1/4 - 28 Locking Device: Yes Material: Steel Number of Leaves: 27 Parts Member of Kit Item #DescriptionPart No.QtyInformation 1CASE, FRONT12229-01 2CASE, BACK13087-01 3NUT, .125-4018259-01 4NUT, .125-4012230-01 5STUD12223-02 6SPRING,.214X.238X.219X.0120X405859-02 7LEAF, 2 1/4 PITCH07730-2 1/41 8LEAF, 2 3/8 PITCH07730-2 3/81 9LEAF, 2 1/2 PITCH07730-2 1/21 10LEAF, 2 5/8 PITCH07730-2 5/81 11LEAF, 2 3/4 PITCH07730-2 3/41 12LEAF, 2 7/8 PITCH07730-2 7/81 13LEAF, 3 PITCH07730-31 14LEAF, 3 1/2 PITCH07730-3 1/21 15LEAF, 4 PITCH07730-41 16LEAF, 4 1/2 PITCH07730-4 1/21 17LEAF, 5 PITCH07730-51 18LEAF, 6 PITCH07729-61 19LEAF, 7 PITCH07729-71 20LEAF, 8 PITCH07729-81 21LEAF, 9 PITCH07729-91 22LEAF, 10 PITCH07729-101 23LEAF, 12 PITCH07729-121 24LEAF, 13 PITCH07729-131 25LEAF, 14 PITCH07729-141 26LEAF, 16 PITCH07728-161 27LEAF, 20 PITCH07728-201 28LEAF, 24 PITCH07728-241 29LEAF, 28 PITCH07728-281 30GAGE, CENTER 6007731-601 31LEAF, 5 1/2 PITCH07730-5 1/21 32LEAF, 11 PITCH07729-111 33LEAF, 18 PITCH07728-181 34LEAF, 3 1/4 PITCH07730-3 1/41