The U.S. Army TMDE Activity (USATA) has a requirement to purchase of ten (10) Angle Block Sets, this equipment will drastically increase angle measurement capability through the entire USATA organization. All 8 reference labs, the Training lab, and the ESD TV lab should receive a set. These items shall be delivered to the Enterprise Support Division(ESD), Building 5435 Fowler Road, Redstone Arsenal, AL. The Angle Block Sets shall include the following specifications or equivalent (if not brand name): Specifications: Measuring Ranges: 0-99° Accuracy: Must have accuracy of ±1 second (arcsecond) Blocks Per Set: 16 Blocks Blocks Included: 6 Blocks: 1°, 3°, 5°, 15°, 30°, 45° | 5 Blocks: 1′, 3′, 5′, 20′, 30′ | 5 Blocks: 1″, 3″, 5″, 20″, 30″ Furnished in case for protection Delivery Requirements Shipping Address: U.S. Army TMDE Activity, Attn: John Means and Dillon Whitten, Building 5435 Fowler Road, Redstone Arsenal, AL 35898