12-Ton Extension Screw Collar jack 37M-SJE620 6-inch Bottle Jack Extension

37M-SJE620 6-inch Bottle Jack Extension

37M-SJA8 — 8

No-Drill Clamp Kit (Optional)

Designed for boat motors with propellers up to 10 inches in diameter

Our gift cards have no additional processing fees

12-Ton Extension Screw Collar jack 37M-SJE620 6-inch Bottle Jack ExtensionThe Safe Jack Extension Screw Collar (ESC) is a device made from highly durable PLA carbon fiber that wraps around your bottle jacks extension screw, acting as the universal, secure engagement for our Extensions and Lift Pads. The ESC also provides the operator with 100% available stroke of the jack and maximizes the height to an additional 1. 5 inches. Our premade Extension Screw Collars are measured specifically for the bottle jack brands we carry.