Borka Blades Precision Rifle Optics Tool Kit w/ Impact Resistant Hard Case. adjustable torque driver gives you repeatable field-ready torque control for scope rings mounts action screws and more. Compact and lightweight for competition range bags or the shop the PROTK prevents over- or under-tightening critical components so your zero and reliability stay true. Packed in a blow-molded case with carbon-fiber foam and including a compact ratchet plus 17 precision bits a 1/2" socket and a 1/4" adapter - everything you need for precision setup and maintenance wherever you go. Features of Borka Blades Precision Rifle Optics Tool Kit: Patented Borka BTD10-70IP American Made Adjustable Torque Driver from 10-70 inch-lbs. Torx: T10 T15 T20 T25 Hex: 3/32" 7/64" 1/8" 9/64" 5/32" 3/16" Metric: 2.5mm 3mm 4mm 5mm P1 SL5 (slotted 5mm) 1/2" socket + 1/4" bit adapter set Durable & Protective blow-molded case with custom-fit carbon-fiber foam for all components Package Contents: Borka Blades Precision Rifle Optics Tool Kit Borka Blades PROTK: Precision Rifle Optics Tool Kit w/ Impact Resistant Hard Case