Rite In The Rain All-Weather Durable Pen (Red) Locking Collar The blade is supported by

The blade is supported by a high-strength back lock mechanism housed in an ultra-lightweight linerless handle

This kit is based on flame-retardant compound 2130 for moisture sealing

Kirby Morgan 550-043 Plug

The Hopkins PG03 underwater die grinder is used by commercial divers for weld inspection and other precise grinding jobs

Rite In The Rain All-Weather Durable Pen (Red) Locking Collar The blade is supported byThe Rite In The Rain all weather pen is able to write upside down, the ink will not skip, and writes through water, sweat, grease, and mud without clumping or smearing. The pressurized ink cartridge performs in temperatures from 30F to 250F, under water (up to 35ft), and at any angle. The proprietary ink and delivery system used exclusively in Rite In The Rain Pens will write without skipping in extremely wet conditions.