You are buying one Lot (Qty. 10) of New Motorola/ On Semiconductor  100mA Adjustable Output Positive Voltage Regulator, Part Number: LM317LDR2 in SO-8 Package.

• Input Voltage Range: to 40V
• Output Voltage Range: 1.2V to 37V Adjustable
• Output Current: 100mA
• Operating Temperature: 0C to +125C
• Package: SO-8

Detail Spec on Web as follows:

http://www.onsemi.com/pub_link/Collateral/LM317L-D.PDF