Loaded with every Spring LAB manufactures along with Shims, Covers and Caps plus Spool and T Pins. There are ten pockets left empty allowing more custom filling by the locksmith. The Smart Wedge design incorporates the side drawer for tools. Springs: (125 to 250 springs) 125 Corbin Stainless I Core Springs: 111IC 125 Corbin Stainless Standard Springs: 111SD 125 Master / Yale Springs: SP95 125 Kwikset Stainless Springs: KWKSPG 125 ACE Springs: SPGACE 125 Schlage F Series T-Pin Springs: SPGSCH 125 Schlage Cylinder Cap Springs: SP74 250 Universal .115 Long Tangle Resistant Springs: 115TL 250 Universal .115 Long Standard Springs: 115L 250 Universal .115 Short Standard Springs: 115S 250 Falcon I Core Short Springs: 108F 250 Best I Core Long Springs: 108B Pins: 100 Kwikset .160 Spool Pins: LKJ160 100 Kwikset .180 Spool Pins: LKJ180 100 Schlage T-Pins: FS506-451 Interchangeable Core Caps: 250 I Core Stamped: I027 250 I Core Machined: I027M Shims / Covers: 100 Curved Shims: LSM0 50 Pin Covers: FSC6 50 Pin Covers: FSC7 Tools: Universal Plug Follower: LFT001 Kwikset/Schlage Key Gauge: LKGKS Smart Wedge Box with side drawer for tools Leakproof Seal-Tight Cover Dimensions:13" x 10-1/2" x 3-1/4"