Screw Spacers Code Product 390128 Aluminum Screw Spacer, #6, 1 in. 390144 Screw Spacer, Aluminum - #6, 1/2 in. 390165 Screw Spacer, Plastic - #10, 1 in. 390163 Screw Spacer, Plastic - #10, 1/4 in. 390150 Screw Spacer, Plastic - #4, 1 in. 390148 Screw Spacer, Plastic - #4, 1/2 in. 390147 Screw Spacer, Plastic - #4, 3/8 in. 390146 Screw Spacer, Plastic - #4, 1/4 in. 390156 Screw Spacer, Plastic - #6, 1 in. 390153 Screw Spacer, Plastic - #6, 1/2 in. 390151 Plastic Screw Spacer, #6, 1/4 in. 390155 Screw Spacer, Plastic - #6, 3/4 in. 390152 Screw Spacer, Plastic - #6, 3/8 in. 390154 Screw Spacer, Plastic - #6, 5/8 in. 390162 Screw Spacer, Plastic - #8, 1 in. 390159 Screw Spacer, Plastic - #8, 1/2 in. 390157 Screw Spacer, Plastic - #8, 1/4 in. 390161 Screw Spacer, Plastic - #8, 3/4 in. 390158 Screw Spacer, Plastic - #8, 3/8 in. 390160 Screw Spacer, Plastic - #8, 5/8 in.

MAIL: KELVIN®, 280 Adams Blvd., Farmingdale, NY 11735 USA   PHONE: 1-800-535-8469 or 1-631-756-1750 FAX: 1-800-756-1025 or 1-631-756-1763   EMAIL: kelvin@kelvin.com• Request A Catalog Copyright ® 2013 • KELVIN L.P. Registered trademarks of KELVIN L.P include, but are not limited to: KELVIN®, Kelvin Electronics®, Kelvin Technology™, Hands-On Science®, Build A Better Mousetrap Racer®, Join the Rat Racer®, And the Winner Is…®, New Standards® Modular Labs, and SUMO® Car.