Welt-Seal S3-Size-16 Constructed with a 22mm external

Constructed with a 22mm external hex head and a 3/8" square socket drive for use with spanners and torque wrenches for accurate tightening

Provides a solid foundation to improve night-time visibility and safety

This Iridium IX plug is engineered to outperform standard nickel plugs by providing a more concentrated and stable electrical arc

Collapsable for easy storage

Complies with major racing regulations regarding lever protection for competitive track use

Welt-Seal S3-Size-16 Constructed with a 22mm externalWelt Seal is a unique, nitrile rubber adhesive. It was developed to solve special problems in the welts, stitching and seams of outdoor footwear. Welt Seal is so effective it is used by welders to prevent the burning of stitches which results in soles falling off. It is used by miners to protect the stitch fiber and the holes from the abrasive effects of minerals. It is resistant to almost everything, including acids, fuels, corrosives, and abrasives.