Woot offers 3M FP301-3/32-TO-1/2-ASSRTED-5 Single Wall (Thin) Heat Shrink Tubing FP-301 Assorted Size Kit 48 Inch Flexible Polyolefin for $19.99 (orig. $148.32). Free shipping for Prime Members.   

Product Description:
The 3M multi-color polyolefin heat shrink thin-wall tubing kit is sold 5 kits per case and is another quality product from 3M. Has a dielectric strength of 900 v/mil. The overall length measures 6 in. 

• Sale Unit: KIT
• Brand: 3M
• 3M Number: FP-301-3/32 to 1/2-Assrted-5-133 Pc Kits
• Material: Polyolefin
• Shrink Ratio: 2:1